108 BUREAU OF PLANT QUARANTINE [Oct.-Dec. 
(6) Prior to introduction into nurseries or greenhouses, sand, soil, earth, peat, 
compost, or manure taken from infested locations or which may have been 
exposed to infestation, must be sterilized or fumigated under the direction and 
supervision of, and in manner and by method satisfactory to, the inspector. 
If such treated sand, soil, earth, peat, compost, or manure is not to be immediately 
used in such greenhouses it must be protected from possible infestation in manner 
and by method satisfactory to the inspector. 
(c) All potted plants placed in certified greenhouses of Class III and all potted 
plants to be certified for interstate movement therefrom (i) shall be potted in 
certified soil; (ii) shall, if grown outdoors south of the northern boundaries of 
Maryland and Delaware at any time between June 1 and October 1, inclusive, 
or north thereof at any time between June 15 and October 15, inclusive, be 
kept in screened frames while outdoors; (Hi) shall, if grown outdoors during any 
part of the year, be placed in beds in which the soil or other material shall have 
been treated in manner and by method approved by the Bureau of Plant Quaran- 
tine to eliminate infestation; and (iv) shall comply with such other safeguards 
as may be required by the inspector. 
(4) Cut flowers and other parts of plants without roots or soil may be certified 
for movement either (a) when they have been inspected by an inspector and 
found free from infestation, or (b) when they have been grown in a greenhouse of 
Class I or in a certified greenhouse of Class III and are transported under such 
safeguards as will in the judgment of the inspector prevent infestation. (See also 
section A (3) of this regulation.) 
(5) Nursery and ornamental stock originating on or moved from unclassified 
premises may be certified by the inspector under either one of the following 
conditions: (a) That the soil shall be entirely removed from the stock, or (6) 
that the roots shall be treated by means approved by the Bureau of Plant Quar- 
antine in manner and by method satisfactory to the inspector, or (c) that it shall 
be shown by evidence satisfactory to the inspector that the accompanying soil 
was obtained at such points and under such conditions that in his judgment no 
infestation could exist therein. 
(6) Nurserymen, florists, dealers, and others, in order to maintain their classi- 
fied status, (a) shall restrict their purchases or receipts of nursery and ornamental 
stock, sand, soil, earth, peat, compost, and manure within the regulated area 
to articles which have been certified under these regulations as to each such article 
and the said certificate shall accompany the articles when moved; (6) shall obtain 
approval of the inspector before such ai tides are received on their premises or 
moved from the open on their own premises into certified greenhouses; and (c) 
shall also report immediately in WTiting all purchases or receipts of such articles 
secured from within the regulated area. Nurserymen, florists, dealers, and others 
whose premises are classified as Class III shall in addition report immediately 
on forms provided for that purpose all their sales or shipments of such articles 
both to points outside the regulated areas and to other classified nurseries or 
greenhouses within the regulated areas. Certification may be denied to any 
person who has omitted to make the report or reports required by this regulation, 
and such denial of certification shall continue until the information so omitted 
has been supplied. 
(7) Nursery and ornamental stock imported from foreign countries and not 
reshipped from the port of entry in the unopened original container may be 
certified for movement under these regulations when such stock has been inspected 
by an inspector and found free from infestation. 
(8) Nursery and ornamental stock originating outside the regulated areas 
and certified stock originating in classified nurseries or greenhouses may be 
certified for reshipment from premises other than those on which they originated, 
under provisions satisfactory to the inspector for the safeguarding of such stock 
from infestation at the point of reshipment and en route, and, when found 
advisable by the inspector, after reinspection and determination of freedom from 
infestation. 
Regulation 7. Restrictions on the Movement of Sand, Soil, Earth, Peat, 
Compost, and Manure 
section a. control of movement 
Sand, soil, earth, peat, compost, and manure shall not be moved or allowed 
to be moved interstate from any point in the regulated areas to or through any 
point outside thereof, unless a certificate or permit shall have been issued therefor 
by the inspector, except as follows: 
